1.He ____(look) round when he heard the sound behind him.2.I ____(show) them around our school when they get there.3.Where ____you____(be)?To the library.请用括号内词语正确的形式填空,最好能说明理由.
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1.He ____(look) round when he heard the sound behind him.2.I ____(show) them around our school when they get there.3.Where ____you____(be)?To the library.请用括号内词语正确的形式填空,最好能说明理由.
1.He ____(look) round when he heard the sound behind him.
2.I ____(show) them around our school when they get there.
3.Where ____you____(be)?
To the library.
请用括号内词语正确的形式填空,最好能说明理由.
1.He ____(look) round when he heard the sound behind him.2.I ____(show) them around our school when they get there.3.Where ____you____(be)?To the library.请用括号内词语正确的形式填空,最好能说明理由.
1.He was looking(look) round when he heard the sound behind him.
2.I will show (show) them around our school when they get there.
3.Where have you been (be)?
To the library.
---绝对正确!
looked
will show
will you be
1. He was looking(look) round when he heard the sound behind him.
原因:when he heard the sound behind him.是过去的一个具体时间,要用过去进行时。
2. I will show (show) them around our school when they get there. <...
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1. He was looking(look) round when he heard the sound behind him.
原因:when he heard the sound behind him.是过去的一个具体时间,要用过去进行时。
2. I will show (show) them around our school when they get there.
原因:这个是时间壮语从句,要按照主将从现,when they get there 是从句,前面就要用将来时
3. Where have you been (be)?
To the library.
这个问句是省略句,按理就是现完,所以是have been
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